
<html>
<head>


<script type="text/javascript">
	function a(){
		console.log("===========")
		document.getElementById('img').src = "http://test.feicuibaba.com/upload/1.png";
	}
</script>
</head>
<body>
<img id='img' src="https://www.feicuibaba.com/1.php" onerror="a();"/>

</body>

</html>